680076 has 30 divisors (see below), whose sum is σ = 1778700. Its totient is φ = 226584.

The previous prime is 680059. The next prime is 680077. The reversal of 680076 is 670086.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (680077) by changing a digit.

680076 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 726 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (59290).

2⁶⁸⁰⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

680076 is an abundant number, since it is smaller than the sum of its proper divisors (1098624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680076 is a wasteful number, since it uses less digits than its factorization.

680076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 680076 is about 824.6672056048. The cubic root of 680076 is about 87.9398693903.

The spelling of 680076 in words is "six hundred eighty thousand, seventy-six".